I would be surprised if there are many first gens with a good knock sensor. knock sensors and distributors are probably the two things on the truck that go bad more than anything else. its directly below your finger in the pic.
Apply dirt liberally, rinse and repeat
<<<-click for build
cut a bit
Lifted it more
welded a lot
cut some more
Got a winch
Parked until I can get a new steering setup.